/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 *******************************************************************************/

package com.liferay.ide.ui.snippets.util;

import com.liferay.ide.ui.LiferayPerspectiveFactory;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.List;

import org.eclipse.gef.palette.PaletteEntry;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.common.snippets.internal.SnippetDefinitions;
import org.eclipse.wst.common.snippets.internal.model.SnippetManager;
import org.eclipse.wst.common.snippets.internal.palette.ModelFactoryForUser;

/**
 * @author Greg Amerson
 */
@SuppressWarnings( "restriction" )
public class SnippetsUtil
{

    public static IViewPart findSnippetsView()
    {
        for( IWorkbenchWindow window : PlatformUI.getWorkbench().getWorkbenchWindows() )
        {
            for( IWorkbenchPage page : window.getPages() )
            {
                IViewPart snippetsView = page.findView( LiferayPerspectiveFactory.ID_WST_SNIPPETS_VIEW );
                if( snippetsView != null )
                {
                    return snippetsView;
                }
            }
        }

        return null;
    }

    @SuppressWarnings( "rawtypes" )
    public static void importSnippetsFromFile( File snippetFile ) throws FileNotFoundException
    {

        if( snippetFile == null || ( !snippetFile.exists() ) || ( !snippetFile.isFile() ) )
        {
            return;
        }

        // FileInputStream stream = new FileInputStream(snippetFile);
        SnippetDefinitions definitions = ModelFactoryForUser.getInstance().load( snippetFile.getAbsolutePath() );

        final List importCategories = definitions.getCategories();
        final List currentCategories = SnippetManager.getInstance().getDefinitions().getCategories();

        Display.getDefault().asyncExec( new Runnable()
        {

            public void run()
            {
                for( int i = 0; i < importCategories.size(); i++ )
                {
                    boolean found = false;
                    for( int j = 0; j < currentCategories.size(); j++ )
                    {
                        if( ( (PaletteEntry) currentCategories.get( j ) ).getId().compareToIgnoreCase(
                            ( ( (PaletteEntry) importCategories.get( i ) ) ).getId() ) == 0 )
                        {

                            found = true;
                            break;
                        }
                    }
                    if( !found )
                    {
                        SnippetManager.getInstance().getPaletteRoot().add( (PaletteEntry) importCategories.get( i ) );
                    }
                }
            }
        } );

        // IViewPart view = findSnippetsView();

        // if (view != null) {
        // SnippetsView snippetsView = (SnippetsView) view;
        // snippetsView.getViewer().getContents().refresh();
        // }
    }
}